/Engine/Plugins/Online/OnlineFramework/Source/Party/Public/Party/PartyTypes.h
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)() struct FPartyPlatformSessionInfo
FUniqueNetIdRep...
OwnerPrimaryId
Primary OSS ID of the player that owns this console session
FString
SessionId
The platform session id. Will be unset if it is not yet available to be joined.
FString
SessionType
The platform session type (because in a crossplay party, members can be in different session types)